Ring enables mandatory two-factor authentication and new privacy controls in response to scandals - The Verge

Ring will start sending users a one-time six-digit code via email or SMS whenever they try and log in from a new device or browser. The company is also letter users control when their data is shared with other companies.

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A Brief Breakdown of Two-Factor Authentication - Edge

Mozilla Foundation - How to secure your Ring security camera

Ring's new security measures don't go far enough, senator says - CNET

Setting up Two Factor Authentication

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Postponed: New Multifactor Authentication for External

What is two-factor authentication (2FA)?

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Ring makes two-factor sign-in mandatory for its video doorbells